her husband's space mission. >> after being told for about five years we'd never have a biological child, i can't squabble about a delivery date. >> reporter: flight directors, more comfortable discussing launch dates, were instead answering questions about due dates. >> don't the doctors and rebecca realize this is nasa and i've got a very well thought out, well planned, meticulous time line and they are not abiding by it. >> reporter: abigail has a big brother, 3-year-old wyatt, adopted by the bresniks from an orphanage in the ukraine a year ago. he suggested nemo as a name for his new sister. dad randy still has one more spacewalk on monday. he'll get his first chance to hold his new daughter next weekend. "atlantis" is scheduled to land the day after thanksgiving. what a homecoming it will be for the bresnik family. gina sunseri, abc news, houston. >> and gina mentioned monday's space walk here it is live on the east coast as the astronauts get prepared. randy, again, not having a lot of time to sit around and think about his new daughter. he has a lot of work to do.